parsetree.dtd

C++的一个好库。。。现在很流行

<?xml version="1.0" encoding="ISO-8859-1"?>
<!-- This DTD is used for the output of Spirit parse tree's through -->
<!-- the boost::spirit::tree_to_xml functions. -->
<!ELEMENT parsetree (parsenode)>
<!ATTLIST parsetree
    version CDATA "1.0"
>
<!ELEMENT parsenode ((value | token)?, parsenode*)>
<!ATTLIST parsenode
    rule CDATA #IMPLIED
>
<!ELEMENT value (#PCDATA | token)*>
<!ELEMENT token (#PCDATA)>
<!ATTLIST token
    id CDATA #REQUIRED
    is_root CDATA "0"
>